Plurinational State Foundation Day, observed in Bolivia every January 22, is a public holiday that commemorates the establishment of the Plurinational State of Bolivia, a change formalized by the 2009 Constitution. This day marks the anniversary of Evo Morales's inauguration as the first President of Bolivia from the indigenous population, which took place on January 22, 2006. The holiday celebrates Bolivia's multi-ethnic identity and recognizes the diverse cultures within the country. Since its inception in 2010, the day has become significant for acknowledging the rights and contributions of indigenous peoples in Bolivia. The observance reflects the nation's commitment to inclusivity and social justice, highlighting the importance of its indigenous heritage.